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How to deal with the continuity divergence in two-way FSI simulation? |
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August 9, 2023, 01:25
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How to deal with the continuity divergence in two-way FSI simulation?
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Swapnil
Join Date: Apr 2022
Posts: 3
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I am doing two-way FSI simulation (Fluent + transient structural) of flow through simple tube. I have kept Reynolds number of 1000 and I have tried with the time step of 10-4 and 10-5. In the fluent, residuals are diverging from starting itself (increasing after each coupling iteration) and in the end error comes with large deformation in solid elements. Simulation is working fine for lower time step (10-2). Does anyone have idea about how to resolve this?
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